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For number a, I solved it and I obtained this equation 10s^2 -8s^4+3, which is not the same thing as the answer. I do not know what I did wrong.

fff.PNGFor number a, I solved it and I obtained this equation 10s^2 -8s^4+3, which is not the same thing as the answer. I do not know what I did wrong.

fff.PNG

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a) You must write the functions cos(x) and cosec(x) in terms of sine with the trigonometric identities  c... View the full answer

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